RCA Premium 2-Brush Wet Cd/DVD Laser Lens Cleaner (RD1142) Ideal for use with all CD and DVD components, including video game consoles; not recommended for Blu-ray players 8 quality stereo setup tests and optimized tools Specialized tests for rich sound reproduction Includes damage tone test that conditions system for best Audio quality Step-by-step voice instructions (English, French and Spanish) 8 quality tests and optimization tools 2-brush wet cleaning system optimizes entire audio system Full set of stereo and Dolby Pro Logic set-up tools Works with both CD and DVD Eight quality stereo setup tests and optimization tools